CNC Tailstock Guide:What is a CNC tailstock?What are the different types of tailstocks?

In CNC machining, the tailstock is a critical support component that directly impacts machining accuracy and workpiece stability. Its role becomes especially important when working with long shafts or heavy parts. Next, the engineer from Wuxi Fagor, Jason, will introduce the relevant information about the tailstock for you.

What Is a CNC Tailstock?

A CNC tailstock is mounted opposite the spindle and provides axial support to the workpiece. It uses a center, steady rest, or fixture to reduce vibration and deformation during cutting, improving overall accuracy and surface quality. Tailstocks are commonly used on CNC lathes, rotary tables, and multi-axis machining centers—particularly for long or heavy parts that require rigid support.

What Functions Does a CNC Tailstock Serve?

Workpiece Support: Prevents bending and vibration when machining long shafts or thin rods.

Improved Accuracy: Stabilizes the part, helping achieve tighter tolerances and better surface finish.

Reduced Spindle Load: Shares axial load with the spindle, reducing bearing wear and extending spindle life.Modular Integration: Can be paired with chucks, rotary encoders, servo motors, and hydraulic/pneumatic boosters for multi-axis or complex setups.

What are the different types of tailstocks?

The tailstocks on CNC lathes are mainly divided into three types: manual tailstock, hydraulic tailstock and pneumatic tailstock.

1. By Drive Type:

   
   

Manual Tailstock: Operated manually using handwheels or levers. Operators must physically move and clamp the tailstock, which requires experience and may result in inconsistent clamping or alignment if not handled precisely.

Hydraulic Tailstock: Powered by a hydraulic system, controlled via buttons or CNC commands. It offers strong clamping force, suitable for heavy or large parts, and allows for more accurate and adjustable control.

Pneumatic Tailstock: Uses compressed air as the power source, controlled by pneumatic valves. While offering fast response and simple operation, it provides lower clamping force and is more suited for lighter workpieces.

Servo Tailstock: Driven by a servo motor for precise positioning and automation, ideal for high-precision CNC systems.

2. By Functional Features:

Tailstock with Center: A conventional type, equipped with replaceable live or dead centers.

Tailstock with Chuck: Integrated with a chuck for enhanced gripping strength, suitable for long shafts or special parts.

Tailstock with Air/Hydraulic Booster: Designed for heavy-duty cutting or large parts, ensuring strong clamping force. 

How to Choose the Right Tailstock?

While price is important, tailstock selection should be based on structural stability, machining accuracy, system compatibility, and service support. Key factors to consider:

Tailstock pricing varies depending on size, drive type, customization, and additional components like chucks or servo interfaces. Costs can also fluctuate based on material, configuration, and system compatibility (e.g., support for FANUC/SIEMENS). It's recommended to confirm requirements with a technical engineer during the selection process.

How to Select a Reliable Tailstock Supplier?

Beyond product specifications and price, evaluate a supplier's technical expertise and delivery capability. Key points to consider:

1.Customization Support: Can they adjust mounting dimensions or interface type based on your machine setup?

2.Technical Assistance: Do they provide model selection advice and CAD drawings?

3.Delivery Reliability: Is stock available? What’s the typical lead time?

4.System Compatibility: Can they provide matched components (rotary tables, chucks, motors) as a complete solution?

5.Export Capability: Do they have experience with international shipping, packaging, and support?

Why Choose Wuxi FAGOR?

As a professional CNC machine and accessory supplier, Wuxi FAGOR Technology offers a full range of tailstock solutions:Manual tailstock; Rotary tailstock; Pneumatic tailstock;Hydraulic Tailstocks and rotary table optional accessories:

1. Optional features: servo motor interfaces, rotary encoders, base rails;

2. Customization available for compatibility with various CNC brands and systems;

3. In-stock models, fast delivery, transparent pricing;

4. Full technical support from selection to installation.

Whether you're looking for a cost-effective general-purpose tailstock or need a high-precision rotary tailstock for a 5-axis CNC center, we can provide the right solution for your needs.Wuxi Fagor technology Co., Ltd. is a professional supplier which is specialized in production, testing and sales of high quality and high precision Rotary Tailstock, including CNC gantry milling machine, VMC, CNC lathe, machine tool accessories, etc.Welcome to contact the Wuxi FAGOR technical team today to get a quote, technical drawings, or selection guidance for CNC machines and accessories!

Tel: (86 510) 68088084

Whatsapp: +86-15852791610

Mailbox: info@wxfagor.com